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The fan for air doesn't work until the dial is.

Tiny
ANONYMOUS
  • MEMBER
  • 2000 GMC SIERRA
  • 135,000 MILES
The fan for air doesn't work until the dial is on max no 5, also noticed that when its turned on the defrost or air condition mode the AC is not kicking on.
Checked the small colored fuses and they are fine.
Any clues?
Thanks Iak
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Wednesday, January 16th, 2013 AT 12:45 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
If the blower only works on high, the blower motor resister is most likely bad. Check that first. As far as the AC, you need to check to see if it is charged and the compressor is getting power.
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Wednesday, January 16th, 2013 AT 1:05 AM

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